The Cowgirls (10-1) never struggled, opening on a 30-5 run and leading 50-20 at halftime. LaShawn Jones, Roshunda Johnson and Kaylee Jensen each scored 12, and Brittney Martin added 10. Johnson also had six assists and five steals.

Oklahoma State shot 59.7 percent from the field while holding Northwestern State (5-6) to 30.2 percent.